一知半解 (いっちはんかい) Japanese meaning | KotomoraMeanings
1
na-adjective, noun
superficial knowledge; half knowledge
yojijukugo (four-character idiom)
A yojijukugo describing shallow, incomplete understanding. Often used critically of someone who knows only a little but acts knowledgeable.
一知半解のまま人に教えるのは危険だ。
It's dangerous to teach others with only half-baked knowledge.